People shop inside a Target store during Black Friday sales in the Brooklyn borough of New YorkWith the aid of Jim Finkle and Dhanya Skariachan BOSTON/NEW YORK (Reuters) – Goal Corp stated PIN data of some clients' bank ATM playing cards had been stolen in an enormous cyber assault on the 1/3-biggest U.S. retailer, nevertheless it used to be confident that the ideas used to be "protected and stable." The stolen PIN information used to be "strongly encrypted" when it was once faraway from Target's methods, spokeswoman Molly Snyder said in a statement on Friday. Goal makes use of the Triple DES encryption same old that can best be unlocked with a digital cryptographic "key" when the PIN information is acquired by way of the corporate's outdoor payment processor, she mentioned. Target has declined to establish its payment processor. "The 'key' important to decrypt that knowledge has never existed inside Goal's gadget and could no longer have been taken throughout this incident," Snyder mentioned.